Posted by Victoria on Tuesday, November 13, 2012 at 5:41pm.
x = vx*t
y = 0.95 - 1/2*g*t^2
where x is the displacement in the horizontal direction, y is the displacement in the vertical direction, and t is time, vx is the speed of the cart in the x direction, and g is the acceleration due to gravity = 9.8
At it's landing, x = 0.4, y = 0:
0.4 = vx*t
0 = 0.95 - 1/2*9.8*t^2
t = 0.44 s s
vx = 0.91 m/s
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